#include<iostream> using namespace std; int n,res; const int N=100010; int a[N],s[N]; int main … Continue reading 双指针算法(AcWing 799.800
#include<iostream> using namespace std; int n,res; const int N=100010; int a[N],s[N]; int main … Continue reading 双指针算法(AcWing 799.800